NASA Astrobiology

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A volcanically active planet is shown in closeup at the left side of the image with glowing eruptions and lines of lava on the surface. To the right and in the distance is a faint blue glowing ball representing the more massive planet in the system.

Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were merged to create this image. Jupiter's Great Red Spot is visible in the center. Jupiter's moon Europa can be seen in the foreground at the bottom left of the image.

The frame is a horizontal rainbow of color on a grid. Shadows of molecules can be seen through the light as well as the jagged peaks and troughs of spectral lines.

Fizzy Super Earths and Lava Worlds“Fizzy Super-Earths: Impacts of Magma Composition on the Bulk Density and Structure of Lava Worlds.” in The Astrophysical Journal.01/03

Identifying Hydrothermal Activity on Icy Ocean Worlds“Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds.” In Icarus.02/03

NASA Raman Spectroscopic Database"The NASA Raman spectroscopic database: Ramdb version 1.00.” In Icarus.03/03

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July 2024The South Pole‐Aitken Basin: Constraints on Impact Excavation, Melt, and Ejecta

Citron, R. I., Smith, D. E., Stewart, S. T., Hood, L. L., & Zuber, M. T. (2024). The South Pole‐Aitken Basin: Constraints on Impact Excavation, Melt, and Ejecta. Geophysical Research Letters, 51(14), None. doi:10.1029/2024gl110034

A Framework for the Origin and Deep Cycles of Volatiles in Rocky Exoplanets

Dasgupta, R., Pathak, D., & Maurice, M. (2024). A Framework for the Origin and Deep Cycles of Volatiles in Rocky Exoplanets. Reviews in Mineralogy and Geochemistry, 90(1), 323–373. doi:10.2138/rmg.2024.90.10

Fleeting but Not Forgotten: The Imprint of Escaping Hydrogen Atmospheres on Super-Earth Interiors

Rogers, J. G., Schlichting, H. E., & Young, E. D. (2024). Fleeting but Not Forgotten: The Imprint of Escaping Hydrogen Atmospheres on Super-Earth Interiors. The Astrophysical Journal, 970(1), 47. doi:10.3847/1538-4357/ad5287

June 2024Geological context and significance of the clay-sulfate transition region in Mount Sharp, Gale crater, Mars: An integrated assessment based on orbiter and rover data

Meyer, M. J., Milliken, R. E., Stack, K. M., Edgar, L. A., Rampe, E. B., Turner, M. L., … Sheppard, R. Y. (2024). Geological context and significance of the clay-sulfate transition region in Mount Sharp, Gale crater, Mars: An integrated assessment based on orbiter and rover data. Geological Society of America Bulletin, 137(1-2), 82–115. doi:10.1130/b37355.1

Retrieved Atmospheres and Inferred Surface Properties for Terrestrial Exoplanets Using Transmission and Reflected-light Spectroscopy

Gilbert-Janizek, S., Meadows, V. S., & Lustig-Yaeger, J. (2024). Retrieved Atmospheres and Inferred Surface Properties for Terrestrial Exoplanets Using Transmission and Reflected-light Spectroscopy. The Planetary Science Journal, 5(6), 148. doi:10.3847/psj/ad381e

BASE (Barberton Archean Surface Environments) – drilling Paleoarchean coastal strata of the Barberton Greenstone Belt

Heubeck, C., Beukes, N., De Kock, M., Homann, M., Javaux, E. J., Kakegawa, T., … Kunkel, C. (2024). BASE (Barberton Archean Surface Environments) – drilling Paleoarchean coastal strata of the Barberton Greenstone Belt. Scientific Drilling, 33(2), 129–172. doi:10.5194/sd-33-129-2024

Tidal Seismicity in the Moon and Implications for the Rocky Interior of Europa

Pou, L., Panning, M. P., Styczinski, M. J., Melwani Daswani, M., Nunn, C., & Vance, S. D. (2024). Tidal Seismicity in the Moon and Implications for the Rocky Interior of Europa. The Planetary Science Journal, 5(6), 142. doi:10.3847/psj/ad47bc

Exoplanet host star classification: Multi-Objective Optimisation of incomplete stellar abundance data

Zammit, M. A., Borg, J., & Adami, K. Z. (2024). Exoplanet host star classification: Multi-Objective Optimisation of incomplete stellar abundance data. RAS Techniques and Instruments. doi:10.1093/rasti/rzae020

The hydrology of the Jezero crater paleolake: Implications for the climate and limnology of the lake system from hydrological modeling

Horvath, D. G., & Andrews-Hanna, J. C. (2024). The hydrology of the Jezero crater paleolake: Implications for the climate and limnology of the lake system from hydrological modeling. Earth and Planetary Science Letters, 635, 118690. doi:10.1016/j.epsl.2024.118690

More realistic planetesimal masses alter Kuiper belt formation models and add stochasticity

Kaib, N. A., Parsells, A., Grimm, S., Quarles, B., & Clement, M. S. (2024). More realistic planetesimal masses alter Kuiper belt formation models and add stochasticity. Icarus, 415, 116057. doi:10.1016/j.icarus.2024.116057

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